package com.wfh.blog.web.admin;

import com.wfh.blog.po.User;
import com.wfh.blog.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.servlet.http.HttpSession;

@Controller
@RequestMapping("/admin")
public class LoginController {

    @Autowired
    private UserService userService;

    @GetMapping
    public String loginPage() {
        return "admin/login";
    }


    //登录方法
    @PostMapping("/login")
    public String login(@RequestParam String username, @RequestParam String password, HttpSession session, RedirectAttributes attributes) {

        User user = userService.checkUser(username, password);
        if (user != null) {
            user.setPassword(null); //防止把密码传过去
            session.setAttribute("user", user);
            return "admin/index";
        }else {
            attributes.addFlashAttribute("message","用户名和密码错误");
            return "redirect:/admin";
        }

    }

    //注销方法
    @GetMapping("/logout")
    public String logout(HttpSession session) {
        session.removeAttribute("user");//清空session中user的信息
        return "redirect:/admin";
    }



}
